Coraciiformes Taxon Advisory Group -

The adult male has black plumage with the exception of white primaries. The bill is black with a low-ridged casque at the base. The eyes are yellow, while the legs and feet are black. Bare skin surrounding the eyes and on the throat is red. Prior to molting, the body feathers appear sooty brown due to deteriorating
condition. Body size is approximately 90-100cm in height with weights
typically ranging from 3.4 - 6.1 kg.

The plumage
of the adult female is similar to that of the adult male with the exception
of a violet-blue patch on the front of the throat and down the sides of
the neck. The female is also slightly smaller than the male. Height is
slightly less than that of the male and body weight ranges from 2.2 -
4.6 kg.